Page 450 of 1226

303-00-28 Engine System - General Information 303-00-28
DIAGNOSIS AND TESTING
6. N0TE:Measure the oil pressure at an oil
temperature of 80°C.
N0TE:Oil pressure at 2000 rpm: 3.5 bar.
Measure the oil pressure.
7. Raise and support the vehicle. REFER to:
(I 00-02 Jacking and Lifting)
Jacking (Description and Operation), Lifting (Description and Operation).
8. Detach the oil pressure gauge and connector
from the oil pressure switch bore.
9. Coat the oil pressure switch with adhesive.
IQ Install the oil pressure switch. 11.
Connect the oil pressure switch electrical
connector to the oil pressure switch.
I2 Lower the vehicle.
Measure the oil pressure (Engine - 1.3L
Duratec-8V (Rocam))
N0TE:The oil pressure depends on various factors
(engine speed, oil temperature, oil viscosity, extent
of oil filter contamination).
N0TE:Measure the oil pressure at the specified
engine speed.
1. Raise and support the vehicle. REFER to:
( I (1 00-02 Jacking and Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
2. Disconnect the oil pressure switch electrical
connector from the oil pressure switch.
2006.0 Fiesta 1uzoo6 GI 52554en
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Page 451 of 1226
303-00-29 Engine System - General Information 303-00-29
DIAGNOSIS AND TESTING
3. Remove the oil pressure switch.
( 4. Attach the oil pressure gauge with the oil
pressure gauge connector to the oil pressure
switch bore, and position it to allow reading from
above.
5. Lower the vehicle. 7.
Raise and support the vehicle. REFER to:
(1 00-02 Jacking and Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
8. Detach the oil pressure gauge and connector
from the oil pressure switch bore.
9. Coat the oil pressure switch with sealant
adhesive.
IQ Install the oil pressure switch.
6. N0TE:Measure the oil pressure at an oil
temperature of 80°C.
N0TE:OiI pressure at idle speed (750 rpm): 0.95
bar. 11. Connect the oil pressure switch electrical
N0TE:Oil pressure at 2500 rpm: 2.7 bar. connector to
the oil pressure switch.
Measure the oil pressure.
I2 Lower the vehicle.
2006.0 Fiesta 1212006 GI 52554en
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Page 480 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
SPECIFICATIONS
I Power output at 6000 rpm I 74 kW (1 00 PS) I
Description
Displacement
Compression ratio 1595
cc
11:l
Torque at 4000 rpm
Maximum permissible engine speed continuous
I Idle speed I 750 rpm I
1
146 Nm
6450 rpm
I Maximum permissible engine speed intermittent
I Maximum oil consumption I 0.5U1 OOOkm I
6800 rpm
Oil
Dressure
I Description I bar I
I Oil pressure (minimum, oil temperature 80°C) at 800 rpm I 1 .O I
I Oil pressure (minimum, oil temperature 80°C) at 2000 rpm I 2.5 I
I Pressure relief valve opening pressure I 4 1
Engine Oil Capacity - 1.25U1.4L
I Service fill including oil filter (EFLI 0) I 3.80 I
Description
Initial fill including oil filter
Service fill including oil filter
(EFL500)
I Service fill excluding oil filter I 3.50 I
Liters
4.25
3.75
I Initial fill including oil filter (EFLGOO) I 4.50 I
Engine Oil Capacity - 1.6L
I Initial fill including oil filter (EFLI 0) I 4.30 I
Description
I Service fill including oil filter (EFLGOO) I 4.25 I
Liters
I Service fill including oil filter (EFLI 0) I 4.10 I
I Service fill excluding oil filter I 3.75 I
Valve Clearance - 1.25U1.4L
Valve Clearance - 1.6L
Description
Valve clearance (engine cold), intake
Valve clearance (engine cold), exhaust
Description mm
I!{
mm
0.17 - 0.23
0.27
- 0.33
I Valve clearance (engine cold), intake I 0.17 - 0.23 I
I Valve clearance (engine cold), exhaust I 0.31- 0.37 I
2006.0 Fiesta 1212006 GI 54208en
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Page 484 of 1226

Engine - I .25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)ll .6L Duratec-I 6V (Sigma)
SPECIFICATIONS
1 Description I Nm I Ib-ft I Ib-in I
I Camshaft pulley retaining bolt I 60 I 44 I - I
Timing belt tensioner two bolts fixing
Timing belt tensioner central bolt fixing
Crankshaft position (CKP) sensor bracket to
cylinder block retaining bolts
I Crankshaft rear oil seal carrier retaining bolts I 9 1 - I 80 I
20
25
I Cylinder block blanking plug I 20 I 15 1 - I
I Crankshaft pulley retaining bolt I a) I - I - I
15
18
I Engine coolant temperature (ECT) sensor I 18 I 13 I - I
-
-
I Exhaust manifold studs I 10 I - I 89 I
Positive crankcase ventilation (PCV) cover retaining
1 bolts Fuel
rail to intake manifold
Knock sensor (KS) retaining bolt
I Thermostat housing retaining bolts I 9 I - 1 80 I
I Flywheel to crankshaft retaining bolts I a) I - I - I
15
20
I Selector lever cable bracket to transaxle I 20 I 15 I I
11
15
Transaxle retaining bolts
Torque converter retaining nuts
I Intermediate shaft center bearing cap retaining nuts 1 25 I 18 I - I
-
-
I Ground cable to cylinder head retaining bolt I 18 I 13 I - I
47
27
Suspension strut and spring assembly top mount
retaining nuts
I a) Refer to procedure in this section.
35
20
2006.0 Fiesta 1212006 GI 54208en
-
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Page 496 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)llm4L
303-01 A120 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
303-01 Am20
IN-VEHICLE REPAIR
9. Disconnect the brake booster vacuum line
from the intake manifold. 12. Detach the oil level indicator tube from the
intake manifold.
/'-
10. Disconnect the evaporate emission (EVAP) 13. Disconnect the temperature and manifold
hose from the EVAP valve. absolute pressure (T-MAP) sensor electrical
connector.
11. Disconnect the knock sensor (KS) electrical
connector.
14. Disconnect the throttle plate control motor
(DC-ISC) electrical connector.
2006.0 Fiesta 1212006 GI 83728en
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Page 501 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
2. Install the bolts.
I I. Connect the generator electrical connector.
12. Connect the throttle plate control motor
(DC-ISC) electrical connector.
13. Connect the temperature and manifold
absolute pressure (T-MAP) sensor electrical
connector.
14. Attach the oil level indicator tube to the
intake manifold.
15. Connect the knock sensor (KS) electrical
connector.
2006.0 Fiesta 1212006 GI 83728en
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Page 533 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)llm6L Duratec-1 6V (Sigma)
IN-VEHICLE REPAIR
21. Using the special tool, disconnect the 24.
Disconnect the electronic ignition (El) coil
/ coolant hose from the coolant distribution electrical connector.
I I assembly.
25. Disconnect the heated oxygen
(H02S)
22. Using the special tool, detach the degas sensor electrical connector.
hose from the cylinder head.
Detach the electrical connector from the
Using the special tool, detach the degas hose bracket.
from the cylinder head.
26. Detach the power steering line bracket from
23. Disconnect the engine coolant temperature the
cylinder head.
(ECT) electrical connector.
2006.0 Fiesta 1212006 GI 83740en
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Page 550 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll.GL Duratec-1 6V (Sigma)
REMOVAL
26. Remove the engine wiring harness support
29. Detach the power steering line support
bracket. bracket from the cylinder head.
f
27. Disconnect the engine coolant temperature
30. Detach the power steering line from the
(ECT) electrical connector.
power steering pump mounting bracket.
28. Disconnect the electronic ignition (El) coil
31. Disconnect the engine ground cable.
electrical connector.
32. Raise and support the vehicle.
For additional information, refer to: Lifting
(100-02 Jacking and Lifting, Description
and Operation).
2006.0 Fiesta 1212006 GII 31 63en
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